75184140 has 48 divisors (see below), whose sum is σ = 221598720. Its totient is φ = 18993600.

The previous prime is 75184133. The next prime is 75184169. The reversal of 75184140 is 4148157.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 75184098 and 75184107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31836 + ... + 34115.

It is an arithmetic number, because the mean of its divisors is an integer number (4616640).

Almost surely, 2^75184140 is an apocalyptic number.

It is an amenable number.

75184140 is an abundant number, since it is smaller than the sum of its proper divisors (146414580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75184140 is a wasteful number, since it uses less digits than its factorization.

75184140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65982 (or 65980 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 75184140 is about 8670.8788481906. The cubic root of 75184140 is about 422.0611832256.

The spelling of 75184140 in words is "seventy-five million, one hundred eighty-four thousand, one hundred forty".